(a1) Calculate cost per unit. (Round answer to Zdacimal plactis eg. 5.25) Welghted-average cost perunit is e Textbock and Media Attempts:Dof 2 used (a2) Calculate endins imventory cont of joods soid gross profit under each of the following methods (2) UF: (2) FIFO (3) Avaraget Calculate ending inventory, cost of goods sold, gross profit under each of the following methods. (1) LFO. (2) FIFO. (3) Averagecost. (Round everuse-oost method artwers to 2 decinal plock, es. 1,25025 and other answers to O dicimal places eg 1,250) eTextbook and Media Attempts: 0 of 2 used (a3) Calculate gross profit rate under each of the following methods; (1) UFO. (2) FIFO (3) Average-cost (Round antimers to 1 declmal place, eg. 51.200] (b) Compare tesicifor the three cost fow assumetians and answer the following quations: In this period of risis erios. ghas the highed cost of gosd sold and the wroas proft: 3ris the lowest cost of foodi sola and the grosa profit